1329668864

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1279}}^1$

素因数の和:1457

約数の個数: 72

約数和(自身を含む): 2762833920

約数和(自身を除く): 1433165056

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 131, 248, 256, 262, 496, 524, 992, 1048, 1279, 1984, 2096, 2558, 3968, 4061, 4192, 5116, 7936, 8122, 8384, 10232, 16244, 16768, 20464, 32488, 33536, 39649, 40928, 64976, 79298, 81856, 129952, 158596, 163712, 167549, 259904, 317192, 327424, 335098, 519808, 634384, 670196, 1039616, 1268768, 1340392, 2537536, 2680784, 5075072, 5194019, 5361568, 10150144, 10388038, 10723136, 20776076, 21446272, 41552152, 42892544, 83104304, 166208608, 332417216, 664834432, 1329668864]

約数ペア:

[(1, 1329668864), (2, 664834432), (4, 332417216), (8, 166208608), (16, 83104304), (31, 42892544), (32, 41552152), (62, 21446272), (64, 20776076), (124, 10723136), (128, 10388038), (131, 10150144), (248, 5361568), (256, 5194019), (262, 5075072), (496, 2680784), (524, 2537536), (992, 1340392), (1048, 1268768), (1279, 1039616), (1984, 670196), (2096, 634384), (2558, 519808), (3968, 335098), (4061, 327424), (4192, 317192), (5116, 259904), (7936, 167549), (8122, 163712), (8384, 158596), (10232, 129952), (16244, 81856), (16768, 79298), (20464, 64976), (32488, 40928), (33536, 39649)]